** Duketon Mining DKM.AX rises as much as 8.6% to A$0.19, highest since January 15; stock last up 2.9%
** Stock marks biggest intraday pct gain since October 1
** Mineral explorer says large footprint and high amplitude gold anomalies identified at Barlee Project, Western Australia
** YTD, DKM gains 80%
(Reporting by Anjali Singh in Bengaluru)
((anjali.singh2@thomsonreuters.com;))